The Oshkosh 5340-01-042-0573 Trailer Drop Axle Bearing Hub Cover is a replacement hub cover for Oshkosh trailer drop axles, identified by NSN 5340-01-042-0573. It is designed to fit Oshkosh M911, M870, and M871 trailers, and provides a protective cover for the bearing hub on the drop axle. This cover helps shield the hub from dirt and moisture, supporting bearing longevity in demanding trailer service.
